public static string GetSubElementAtPosition(ProjectType projectType, string fileName, ITextSnapshot snapshot, string xaml, int position, ILogger logger, string projectFile, IVisualStudioAbstraction vsAbstraction)
{
var startPos = xaml.LastIndexOf('<', position, position);
var elementName = GetElementName(xaml.AsSpan(), startPos);
string result = null;
var processor = new SubElementProcessor(new ProcessorEssentials(projectType, logger, projectFile, vsAbstraction));
processor.SubElementFound += (s, e) => { result = e.SubElement; };
XamlElementExtractor.Parse(projectType, fileName, snapshot, xaml.Substring(startPos), new List <(string element, XamlElementProcessor processor)> {
(elementName, processor),
}, new TagList(), vsAbstraction, skipEveryElementProcessor: true);
#if DEBUG
if (result == null)
{
// If get here it's because there's a subelement that can't be identified correctly by XamlElementExtractor
// but was detected elsewhere. (Probably by something extending XamlElementProcessor.)
System.Diagnostics.Debugger.Break();
}
#endif
return(result);
}
public static string GetSubElementAtPosition(ProjectType projectType, string fileName, ITextSnapshot snapshot, string xaml, int position, ILogger logger)
{
var startPos = xaml.Substring(0, position).LastIndexOf('<');
var elementName = xaml.Substring(startPos + 1, xaml.IndexOfAny(new[] { ' ', '>', '\r', '\n' }, startPos) - startPos - 1);
string result = null;
var processor = new SubElementProcessor(projectType, logger);
processor.SubElementFound += (s, e) => { result = e.SubElement; };
XamlElementExtractor.Parse(projectType, fileName, snapshot, xaml.Substring(startPos), new List <(string element, XamlElementProcessor processor)> {
(elementName, processor),
}, new TagList());
#if DEBUG
if (result == null)
{
// If get here it's because there's a subelement that can't be identified correctly by XamlElementExtractor
// but was detected elsewhere. (Probably by something extending XamlElementProcessor.)
System.Diagnostics.Debugger.Break();
}
#endif
return(result);
}
public static string GetSubElementAtPosition(string xaml, int position)
{
var startPos = xaml.Substring(0, position).LastIndexOf('<');
var elementName = xaml.Substring(startPos + 1, xaml.IndexOfAny(new[] { ' ', '>' }, startPos) - startPos - 1);
string result = null;
var processor = new SubElementProcessor();
processor.SubElementFound += (s, e) => { result = e.SubElement; };
XamlElementExtractor.Parse(null, xaml.Substring(startPos), new List <(string element, XamlElementProcessor processor)> {
(elementName, processor),
}, new List <IRapidXamlAdornmentTag>());
return(result);
}
/// <summary>
/// process an xml element when reading an xml stream
/// </summary>
/// <param name="reader">the reader</param>
/// <param name="elementName">the name of the element we are processing</param>
/// <param name="subElementProcessor">a delegate to process any sub elements detected</param>
public static void ProcessElement(XmlReader reader, string elementName, SubElementProcessor subElementProcessor)
{
if (reader.MoveToContent() == XmlNodeType.Element && reader.LocalName == elementName)
{
reader.Read(); // Skip ahead to next node
var element = reader.MoveToContent();
while (element != XmlNodeType.None)
{
if (element == XmlNodeType.EndElement && reader.LocalName == elementName)
{
break;
}
if (reader.IsStartElement())
{
subElementProcessor(reader);
}
reader.Read();
element = reader.MoveToContent();
}
}
}
